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(No Model.)

E. A. KUHNS.

. .OILER FOR LOOSE PULLEYS.

No. 348,919. Patented Sept. 7, 1886.

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UNITED STATES PATENT OFFICE.

EDGAR A. KUHNS, OE DAYTON, OHIO, ASSIGNOR OF ONE'HALF TO ALBERT 0. EAST, OF SAME PLACE.

OILER FOR LOOSE PULLEYS.

SPECIFICATION forming part of Letters Patent No. 348,919, dated September '7, 1886.

Application filed January 12,1886. Serial No 188,315. (No model.)

To aZZ whom it may concern: the lowercnd of the stem is an octagonal Be it known that I, EDGAR A. KUHNs, a prominence, to which a wrench may be ap' 5 citizen of theUnited States, residing at Dayton, plied in attaching the oiler to a pulley. The

in the county of Montgomery and State of chamber consists of a hollow cylinder, the

Ohio, have invented a certain new and usebottom of which embraces the stem, and the ful Improvement in Oilers for Loose Pulleys; hollow portion embraces the piston. To the and I do hereby declare that the following is a bottom is attached the usual form of stuflingfull, clear, and exact description of the invenbox, 3.

tion, which will enable others skilled in the The dotted lines, Fig. I, show the'poinls to [Q art to which it appertains to make and use which the chamber can move.

the same, reference being had to the accom- The disks 6 and 8 are pierced with holes 5, panying drawings, and to the letters of referthrough which oil may be poured into the 5 ence marked thereon, which form a part of chamber. A plug is screwed into the outer this specification. disk to close the same.

[ My invention relates to improvements in The operation is thus: The chamber is oilers for looscpulleys; and it consists of a. pressed down against theshoulder. The oil is hollow stem with screw for attachment to the poured in through the disks, and then closed pulley-hub and a piston on the outer end with aplug. Therapid rotation of thepulley thereof, which fills a chamber held loosely on causes the chamber to move outwardly, press- 20 said stem, and by the movement of which, reing against the oil in said chamber, forcing sulting from centrifugal force, the oil is disthe same to pass through the central duct to charged onto the bearing of a pulley. the bearing of the pulley to which the oiler is The mechanism is illustrated in the accomattached. panying drawings, inwhich FigureI isaside Vhat I claim as my invention, and desire 25 view of the oiler. Fig. II is a central longito secure by Letters Patent, is tudinal section of the stem. 1. In an oiler, the ccntrifugallyaetuated Like figures designate likeparts throughout chamber in its relation to the supportingboth the views. stem with piston on the end thereof, and cen- The numeral 1 represents the stem, which tral duct to convey the oil, substantially asset 30 has a tapering thread at its lower end for inforth.

sertion into the hub ofa pulley. The upper 2. In an oiler, the centrifugallyactuated end is shouldered for a bearing for the disk 8, chamber in its relation to the supportingand a screw-thread is cut on the extreme end stem, with piston on the end and regulating for the disk 6, and a thread is cut in the in screw in the end thereof, and central duct to 35 terior to receive the regulating-screw 4, and convey the oil, substantially as set forth.

beneath the lower disk is a hole, 9, com muni- In testimony that [claim the foregoingas my eating with the central orifice of said stem. ownIaflixmysignaturein presenccoftwo wit- The disks 4; and S, with the leather packing 7, nesses. form the piston, which moves freely within 1 v T 40 the chamber 2. The screw 4 extends to and LDGAI LUHBS' over the hole 9, and is used to regulate the W'itnesses: flow of oil to the pulley by opening and clos- B. ProKERINe, ing this passage. Above the screwthread of SUMNER T. SMITH. 

